Abilities

Due to his base armor and armor increase per level, Rammus effectively receives a bonus to his base attack damage (~5) and additional attack damage per level (~1) up to ~21 bonus attack damage at level 18.

Any buff or debuff that affects Rammus' armor will increase or reduce the bonus damage respectively as well. (e.g. Bulwark or Spirit Fire)

Similarly to Galio'sRunic Skin, Spiked Shell will cause a decrease in attack damage if Rammus' armor is reduced below 0.

Powerball

COST: 70 / 80 / 90 / 100 / 110 mana

COOLDOWN: 16 / 14.5 / 13 / 11.5 / 10

Active: Rammus tucks into a ball and begins to roll for up to 7 seconds, constantly accelerating from an initial bonus 0% movement speed up to a bonus 140% movement speed. Upon colliding with an enemy, Rammus knockbacks all nearby enemies, dealing magic damage, and slows them for 3 seconds afterwards. Rammus reverts to his normal state as well.

Magic Damage: 100 / 150 / 200 / 250 / 300 (+100% AP)

Slow: 20 / 25 / 30 / 35 / 40%

Impact Radius:200

Knock Back Distance:100

While in this state, Rammus cannot attack or use Puncturing Taunt. Activating Defensive Ball Curl or re-activating Powerball during its duration will end the effect after 1 second.